Weekly totals of variants in all locations (by specimen date)
Week 21 22 23 24 25 26 27 28
XFG 108 85 75 32 15 9
NB.1.8.1 173 164 142 109 105 30
BA.3.2 70 58 48 30 8 1
Total 405 369 309 203 169 50
XFG % 27% 23% 24% 16% 9% 18%
NB.1.8.1 % 43% 44% 46% 54% 62% 60%
BA.3.2 % 17% 16% 16% 15% 5% 2%

Last Updated: 4th July 2026 21:59 BST — Local:

Growth Charts

Growth chart for XFG
Growth chart for NB.1.8.1
Growth chart for BA.3.2

Acknowledgements

We gratefully acknowledge GISAID and the many data contributors around the world for sharing SARS-CoV-2 sequences.

This analysis makes use of the Nextclade CLI.
Aksamentov, I., Roemer, C., Hodcroft, E. B., & Neher, R. A., (2021). Nextclade: clade assignment, mutation calling and quality control for viral genomes. Journal of Open Source Software, 6(67), 3773, https://doi.org/10.21105/joss.03773

Special thanks to Josette Schoenmakers ( @josetteschoenma.bsky.social on BlueSky @JosetteSchoenma on Twitter) for the table concepts.